DISCHARGE: May 1948 to current year. Prior to October 1974, records published with those for streams in the St. Lawrence River basin (WSP 1307, 1727, 1911, 2111, WDR IL 1971-74). |
STAGE: Water years 1994-2000. |
CHEMICAL: Water years 1979-91. |
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 29 | e25 | e20 | 23 | 21 | 76 | 22 | 65 | 548 | 88 | 61 | e27 |
2 | 27 | e33 | e20 | 23 | 25 | 63 | 23 | 82 | 182 | 60 | 46 | e29 |
3 | 48 | e34 | e29 | 27 | 27 | 55 | 24 | 63 | 91 | 128 | 44 | e29 |
4 | 111 | e29 | 57 | 32 | 29 | 51 | 28 | 48 | 65 | 114 | 37 | e29 |
5 | 43 | e20 | 540 | 27 | 28 | 48 | 26 | 42 | 253 | 94 | 57 | e30 |
6 | 29 | e20 | 244 | 26 | 26 | 44 | 35 | 39 | 170 | 51 | 133 | e30 |
7 | 29 | e22 | 88 | 23 | 28 | 41 | 101 | 38 | 112 | 45 | 290 | e30 |
8 | 34 | e23 | 62 | 21 | 28 | 42 | 169 | 37 | 93 | 40 | 121 | e30 |
9 | 24 | e21 | 52 | 34 | 30 | 41 | 95 | 86 | 51 | 38 | 66 | e29 |
10 | 21 | e21 | 60 | 58 | 39 | 36 | 60 | 218 | 40 | 237 | 49 | e32 |
11 | 22 | e21 | 48 | 65 | 46 | 33 | 62 | 138 | 38 | 246 | 41 | 187 |
12 | 20 | e21 | 45 | 68 | 41 | 34 | 47 | 115 | 320 | 145 | 37 | 493 |
13 | 19 | e22 | 40 | 67 | 38 | 33 | 38 | 81 | 448 | 83 | 35 | 135 |
14 | 21 | e21 | 46 | 34 | 34 | 34 | 32 | 61 | 541 | 83 | 32 | 102 |
15 | 18 | e21 | 68 | 29 | 31 | 42 | 28 | 45 | 590 | 51 | 30 | 59 |
16 | 17 | e21 | 77 | 26 | 33 | 48 | 36 | 43 | 208 | 43 | 29 | 50 |
17 | 22 | e31 | 52 | 26 | 35 | 38 | 499 | 42 | 103 | 38 | 142 | 42 |
18 | 23 | e28 | 37 | 27 | 37 | 33 | 185 | 43 | 71 | 33 | 88 | e31 |
19 | 20 | e22 | 34 | 25 | 40 | 48 | 198 | 103 | 53 | 34 | 44 | e31 |
20 | 19 | e22 | 31 | 25 | 45 | 105 | 503 | 64 | 173 | 31 | 38 | e31 |
21 | e20 | e22 | 28 | 24 | 48 | 85 | 964 | 47 | 1140 | 31 | e33 | e36 |
22 | e20 | e21 | 26 | 24 | 118 | 63 | 582 | 42 | 619 | 30 | e33 | 41 |
23 | e20 | e22 | 25 | 25 | 162 | 50 | 279 | 43 | 260 | 30 | e33 | 70 |
24 | e22 | 57 | 26 | 26 | 231 | 47 | 192 | 38 | 220 | 29 | e31 | 63 |
25 | e23 | e31 | 25 | 21 | 196 | 37 | 129 | 36 | 1190 | 27 | e30 | 52 |
26 | e21 | e23 | 24 | 23 | 120 | 34 | 103 | 33 | 843 | 27 | e30 | 45 |
27 | e20 | e20 | 25 | 23 | 164 | 41 | 86 | 33 | 345 | 27 | e30 | 42 |
28 | e20 | e20 | 26 | 23 | 105 | 48 | 71 | 67 | 242 | 28 | e33 | 40 |
29 | e21 | e20 | 25 | 20 | 97 | 36 | 63 | 43 | 167 | 146 | e30 | 39 |
30 | e21 | e20 | 27 | 22 | --- | 29 | 56 | 54 | 100 | 243 | e32 | 40 |
31 | e21 | --- | 23 | 23 | --- | 24 | --- | 179 | --- | 106 | e30 | --- |
TOTAL | 825 | 734 | 1930 | 940 | 1902 | 1439 | 4736 | 2068 | 9276 | 2406 | 1765 | 1924 |
MEAN | 26.6 | 24.5 | 62.3 | 30.3 | 65.6 | 46.4 | 158 | 66.7 | 309 | 77.6 | 56.9 | 64.1 |
MAX | 111 | 57 | 540 | 68 | 231 | 105 | 964 | 218 | 1190 | 246 | 290 | 493 |
MIN | 17 | 20 | 20 | 20 | 21 | 24 | 22 | 33 | 38 | 27 | 29 | 27 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2000, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 59.0 | 86.6 | 98.4 | 100 | 121 | 179 | 181 | 135 | 118 | 74.2 | 59.3 | 58.9 |
MAX | 356 | 385 | 391 | 328 | 421 | 534 | 362 | 399 | 445 | 333 | 236 | 372 |
(WY) | 1955 | 1991 | 1983 | 1993 | 1997 | 1979 | 1950 | 1996 | 1993 | 1996 | 1968 | 1961 |
MIN | 12.5 | 14.3 | 15.5 | 16.2 | 26.6 | 37.4 | 34.0 | 29.3 | 24.9 | 21.7 | 14.9 | 11.7 |
(WY) | 1951 | 1949 | 1951 | 1954 | 1963 | 1981 | 1986 | 1958 | 1948 | 1952 | 1948 | 1948 |
SUMMARY STATISTICS | FOR 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1948 - 2000 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 38643 | 29945 | ||||
ANNUAL MEAN | 106 | 81.8 | 106 | |||
HIGHEST ANNUAL MEAN | 199 | 1993 | ||||
LOWEST ANNUAL MEAN | 51.5 | 1963 | ||||
HIGHEST DAILY MEAN | 1830 | Jan 24 | 1190 | Jun 25 | 3810 | Nov 28 1990 |
LOWEST DAILY MEAN | 17 | Oct 16 | 17 | Oct 16 | 4.4 | Sep 11 1949 |
ANNUAL SEVEN-DAY MINIMUM | 20 | Oct 10 | 20 | Oct 10 | 9.0 | Sep 14 1948 |
INSTANTANEOUS PEAK FLOW | 1390 | Jun 25 | 4700 A | Jul 13 1957 | ||
INSTANTANEOUS PEAK STAGE | 11.57 | Jun 25 | 17.06 B | Jun 14 1981 | ||
INSTANTANEOUS LOW FLOW | 14 C | Oct 12 | ||||
10 PERCENT EXCEEDS | 193 | 175 | 226 | |||
50 PERCENT EXCEEDS | 41 | 38 | 46 | |||
90 PERCENT EXCEEDS | 22 | 21 | 23 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |